21272082

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272719}}^1$

素因数の和:272737

約数の個数: 16

約数和(自身を含む): 45816960

約数和(自身を除く): 24544878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272719, 545438, 818157, 1636314, 3545347, 7090694, 10636041, 21272082]

約数ペア:

[(1, 21272082), (2, 10636041), (3, 7090694), (6, 3545347), (13, 1636314), (26, 818157), (39, 545438), (78, 272719)]